1 // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
2
3 template<typename ...Types>
get_num_types(Types...)4 int get_num_types(Types...) {
5 return sizeof...(Types);
6 }
7
8 // CHECK-LABEL: define weak_odr i32 @_Z13get_num_typesIJifdEEiDpT_
9 // CHECK: ret i32 3
10 template int get_num_types(int, float, double);
11
12 // PR10260 - argument packs that expand to nothing
13 namespace test1 {
foo()14 template <class... T> void foo() {
15 int values[sizeof...(T)+1] = { T::value... };
16 // CHECK-LABEL: define linkonce_odr void @_ZN5test13fooIJEEEvv()
17 // CHECK: alloca [1 x i32], align 4
18 }
19
test()20 void test() {
21 foo<>();
22 }
23 }
24